Pump-rod balance.



PATENTED APR. 17, 1906.

J. MOKAY.

PUMP ROD BALANCE.

APPLICATION rum) JULY a1 1905.

Witnesses Attorneys UNITED s rn rns PATENT @FFIGE.

PUMP-ROD BALANCE.

Specification of Letters Patent.

Patented April 1'7, 1906.

Application filed July 31, 1905. Serial No. 272,004.

To all whmn it may concern.-

Be it known that I, J AMES MoKAY, a citizen of the United States, residing at Gilman, in the county of Marshall and State of Iowa, have invented a new and useful Pump-Rod Balance, of which the following is a specification.

This invention relates to that class of devices which are used in connection with pumps, and especially in connection with such pumps as are operated by windmills, for the purpose of balancing the pump-rod in order to equalize the strain or power required to operate the pump in the upward and downward movements of the pump-rod.

The objects of the invention are to simplify and to improve the construction and operation of this class of devices.

\Vith these and other ends in view, which will readily appear as the nature of the invention is better understood, the same consists in the improved construction and novel arrangement and combination of parts, which will be hereinafter fully described, and particularly pointed out in the claims.

In the accompanying drawings has been illustrated a simple and preferred form of the invention.

In said drawings, Figure 1 is a side elevation illustrating a device constructed in accordance with the principles of the invention in operative position. Fig. 2 is a top plan view of the supporting-beams. Fig. 3 is a sectional view, enlarged, taken on the plane indicated by the line 3 3 in Fig. 1. Fig. 4 is a sectional view, enlarged, taken on the plane indicated by the line 4 4 in Fig. 1.

Corresponding parts in the several figures are indicated throughout by similar characters of reference.

The supporting means of the improved balancing device includes a pair of beams or bars 1 1 of suitable dimensions, spaced apart and connected with uprights 2 2 of a windmilltower when the device is used in connection with a windmill-pump. Under other circumstances other supporting means for the bars 1 1 will be provided. The bars 1 1 are slightly spaced apart and are connected by means of blocks 3 3. Said bars are also provided in their inner sides or faces with vertical recesses 4 4, cooperating to form a guide for the pump-rod or sucker-rod 5.

Upon opposite sides of the pump-rod are a pair of plates 6 6, connected with each other and firmly secured upon the pump-rod by means of clamping-bolts 7, each plate being provided upon its outer side with a pair of lugs 8, between which is pivotally mounted an arm 9. The arms 9 9 carry sleeves 10, secured thereon by means of set-screws 11, the upper ends of said sleeves being reduced or flattened to form lugs 12, which are pivotally connected, as by bolts 13, with the bifurcated lower ends of links 14, the upper ends of which terminate in eyes 15, engaging eyebolts 16, which extend upwardly between the spaced supporting members and through apertures in the blocks 3, said eyebolts being secured by means of nuts 17. Upon the arms 9 9 are mounted slidable and adjustable weights 18, having set-screws 19, whereby they may be secured in position at various adjustments.

From the foregoing description, taken in connection with the drawings hereto anneXed, the operation and advantages of this invention will be readily understood by those skilled in the art to which it appertains. The upward movement of the pump-rod will obviously be facilitated by the weights 18, while the downward movement of said rod will be retarded by the same weights. It follows that by proper adjustment of said weights the power required to move the pump-rod upwardly and downwardly may be balanced, so that noexcessive strain shall be incurred at any point of the movement.

Having thus described the invention, what is claimed is 1. A sucker-rod, a guide for the same, weighted arms pivotally connected with the sucker-rod, sleeves upon said arms, and links connecting said sleeves with the rod-guide.

2. Supporting means, a sucker-rod guided in said supporting means, links suspended from the latter and spaced from the suckerrod, arms connectedpivotally With the latter and with the links, and adjustable Weights upon said arms.

3. In a device of the class described, a pair of spaced supporting-beams having recesses ICO in their inner faces, a pump-rod guided. in In testimony that I claim the foregoing said recesses, plates clamped upon said rod as my oWn I have hereto affixed my signature 10 and having laterallyextending lugs, arms in the presence of two Witnesses.

pivoted in said lugs, Weights adjustable upon l i l a said arms, sleeves ad ustable upon sald arms, JAMES MOK eyebolts connected with the supportmg- W1tnesses:

beams, and. hnks connecting sald eyebolts A. F. URBINE,

With the adjustable sleeves. J. F. MOCARL. 

